DE3860620D1 - Verzweigungsstueck fuer die gasdurchflussumschaltung zwischen zwei gaschromatographischen kapillarsaeulen. - Google Patents

Verzweigungsstueck fuer die gasdurchflussumschaltung zwischen zwei gaschromatographischen kapillarsaeulen.

Info

Publication number
DE3860620D1
DE3860620D1 DE8888102588T DE3860620T DE3860620D1 DE 3860620 D1 DE3860620 D1 DE 3860620D1 DE 8888102588 T DE8888102588 T DE 8888102588T DE 3860620 T DE3860620 T DE 3860620T DE 3860620 D1 DE3860620 D1 DE 3860620D1
Authority
DE
Germany
Prior art keywords
capillar
pillars
flow switching
gas
gas flow
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE8888102588T
Other languages
English (en)
Inventor
Horst Dipl Ing Straub
Friedhelm Dipl Ing Mueller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to DE8888102588T priority Critical patent/DE3860620D1/de
Application granted granted Critical
Publication of DE3860620D1 publication Critical patent/DE3860620D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/26—Conditioning of the fluid carrier; Flow patterns
    • G01N30/38—Flow patterns
    • G01N30/46—Flow patterns using more than one column
    • G01N30/466—Flow patterns using more than one column with separation columns in parallel
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/26—Conditioning of the fluid carrier; Flow patterns
    • G01N30/38—Flow patterns
    • G01N2030/382—Flow patterns flow switching in a single column
    • G01N2030/383—Flow patterns flow switching in a single column by using auxiliary fluid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/60—Construction of the column
    • G01N30/6034—Construction of the column joining multiple columns
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S285/00—Pipe joints or couplings
    • Y10S285/911—Glass
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S285/00—Pipe joints or couplings
    • Y10S285/917—Metallic seals

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Multiple-Way Valves (AREA)
DE8888102588T 1987-03-09 1988-02-22 Verzweigungsstueck fuer die gasdurchflussumschaltung zwischen zwei gaschromatographischen kapillarsaeulen. Expired - Lifetime DE3860620D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8888102588T DE3860620D1 (de) 1987-03-09 1988-02-22 Verzweigungsstueck fuer die gasdurchflussumschaltung zwischen zwei gaschromatographischen kapillarsaeulen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873707488 DE3707488A1 (de) 1987-03-09 1987-03-09 Verzweigungsstueck fuer die gasdurchflussumschaltung zwischen zwei gaschromatographischen kapillarsaeulen
DE8888102588T DE3860620D1 (de) 1987-03-09 1988-02-22 Verzweigungsstueck fuer die gasdurchflussumschaltung zwischen zwei gaschromatographischen kapillarsaeulen.

Publications (1)

Publication Number Publication Date
DE3860620D1 true DE3860620D1 (de) 1990-10-25

Family

ID=6322595

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19873707488 Withdrawn DE3707488A1 (de) 1987-03-09 1987-03-09 Verzweigungsstueck fuer die gasdurchflussumschaltung zwischen zwei gaschromatographischen kapillarsaeulen
DE8888102588T Expired - Lifetime DE3860620D1 (de) 1987-03-09 1988-02-22 Verzweigungsstueck fuer die gasdurchflussumschaltung zwischen zwei gaschromatographischen kapillarsaeulen.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19873707488 Withdrawn DE3707488A1 (de) 1987-03-09 1987-03-09 Verzweigungsstueck fuer die gasdurchflussumschaltung zwischen zwei gaschromatographischen kapillarsaeulen

Country Status (3)

Country Link
US (1) US4861358A (de)
EP (1) EP0281831B1 (de)
DE (2) DE3707488A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5281256A (en) * 1990-09-28 1994-01-25 Regents Of The University Of Michigan Gas chromatography system with column bifurcation and tunable selectivity
US5108468A (en) * 1991-03-26 1992-04-28 General Electric Company Switching system for a multidimensional gas chromatograph
US5288310A (en) * 1992-09-30 1994-02-22 The Regents Of The University Of Michigan Adsorbent trap for gas chromatography
DE19843942C1 (de) * 1998-09-24 2000-03-16 Siemens Ag Gasdurchfluß-Umschalteinrichtung
CN106168612B (zh) * 2016-08-31 2017-09-12 许继集团有限公司 一种气体分析进样装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4083702A (en) * 1976-07-19 1978-04-11 The Perkin-Elmer Corporation Chromatographic column fittings
DE2655387C2 (de) * 1976-12-07 1979-01-25 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verzweigungsstück für die GasdurchfluBiunschalrung bei Kapillarsäulen
DE2806123C2 (de) * 1978-02-14 1985-02-21 Siemens AG, 1000 Berlin und 8000 München Umschalteinrichtung mit einem Verzweigungsstück zwischen zwei gaschromatographischen Trennsäulen
DE2840612C2 (de) * 1978-09-18 1986-12-18 Siemens AG, 1000 Berlin und 8000 München Einrichtung zur Umschaltung der Strömungsrichtung in einem Verzweigungsstück zwischen zwei gaschromatographischen Trennsäulen
US4313828A (en) * 1979-03-26 1982-02-02 Brownlee Labs, Inc. High pressure tubing coupler
FR2491215A1 (fr) * 1980-09-26 1982-04-02 Prolabo Sa Dispositif pour associer une precolonne et une colonne en chromatographie, emploi dudit dispositif pour la realisation d'un chromatographe automatique industriel
US4407482A (en) * 1980-11-25 1983-10-04 Mueller Co. Coupling joint for telescoping tubular members
DE3045654C2 (de) * 1980-12-04 1985-03-28 Carlo Erba Strumentazione S.p.A., Rodano, Milano Vorrichtung zum Verbinden von pneumatischen und/oder hydraulischen Kreisen in der Trenntechnik
DE3117173C2 (de) * 1981-04-30 1989-11-23 Bodenseewerk Perkin-Elmer & Co GmbH, 7770 Überlingen Anordnung zum Verbinden der Säulenenden zweier Kapillarsäulen
US4529230A (en) * 1982-02-26 1985-07-16 Supelco, Inc. Capillary tubing and small rod connector
US4451364A (en) * 1982-03-03 1984-05-29 Brownlee Labs Inc. High pressure seal and coupling
US4451363A (en) * 1982-03-03 1984-05-29 Brownlee Labs Inc. Cartridge for liquid chromatograph
US4586732A (en) * 1984-02-17 1986-05-06 Alltech Associates, Inc. Connector for liquid chromatography devices
US4551249A (en) * 1984-02-29 1985-11-05 Rainin Instrument Co. Inc. Modular liquid chromatography column apparatus
US4669756A (en) * 1985-05-20 1987-06-02 Technicon Instruments Corporation Zero dead volume connector
US4690437A (en) * 1986-02-27 1987-09-01 Alltech Associates, Inc. Low pressure fitting

Also Published As

Publication number Publication date
DE3707488A1 (de) 1988-09-22
EP0281831B1 (de) 1990-09-19
US4861358A (en) 1989-08-29
EP0281831A1 (de) 1988-09-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition